protected override void OnCreate(Android.OS.Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);
            SetContentView(Resource.Layout.xy_chart);
            mValue = FindViewById <EditText>(Resource.Id.xValue);
            mRenderer.ZoomButtonsVisible = true;
            mRenderer.StartAngle         = 180;
            mRenderer.DisplayValues      = true;

            mAdd           = FindViewById <Button>(Resource.Id.add);
            mAdd.Enabled   = true;
            mValue.Enabled = true;

            mAdd.Click += (e, s) =>
            {
                double value = 0;
                try
                {
                    value = Double.Parse(mValue.Text);
                }
                catch (Java.Lang.NumberFormatException)
                {
                    mValue.RequestFocus();
                    return;
                }
                mValue.Text = "";
                mValue.RequestFocus();
                mSeries.Add("Series " + (mSeries.ItemCount + 1), value);
                SimpleSeriesRenderer renderer = new SimpleSeriesRenderer();
                renderer.Color = COLORS[(mSeries.ItemCount - 1) % COLORS.Length];
                mRenderer.AddSeriesRenderer(renderer);
                mChartView.Repaint();
            };
        }
Exemplo n.º 2
0
 protected override void OnResume()
 {
     base.OnResume();
     if (mChartView == null)
     {
         LinearLayout layout = FindViewById <LinearLayout>(Resource.Id.chart);
         mChartView = ChartFactory.GetLineChartView(this, mDataset, mRenderer);
         // enable the chart click events
         mRenderer.ClickEnabled     = true;
         mRenderer.SelectableBuffer = 10;
         mChartView.SetOnClickListener(new OnClickListenerAnonymousInnerClassHelper3(this));
         layout.AddView
         (
             mChartView,
             new Android.Widget.LinearLayout.LayoutParams
             (
                 Android.Widget.LinearLayout.LayoutParams.FillParent,
                 Android.Widget.LinearLayout.LayoutParams.FillParent)
         );
         bool enabled = mDataset.SeriesCount > 0;
         SeriesWidgetsEnabled = enabled;
     }
     else
     {
         mChartView.Repaint();
     }
 }
 protected override void OnResume()
 {
     base.OnResume();
     if (mChartView == null)
     {
         LinearLayout layout = FindViewById <LinearLayout>(Resource.Id.chart);
         mChartView             = ChartFactory.GetPieChartView(this, mSeries, mRenderer);
         mRenderer.ClickEnabled = true;
         mChartView.Click      += (e, s) =>
         {
             SeriesSelection seriesSelection = mChartView.CurrentSeriesAndPoint;
             if (seriesSelection == null)
             {
                 Toast.MakeText(this, "No chart element selected", ToastLength.Short).Show();
             }
             else
             {
                 for (int i = 0; i < mSeries.ItemCount; i++)
                 {
                     mRenderer.GetSeriesRendererAt(i).Highlighted = (i == seriesSelection.PointIndex);
                 }
                 mChartView.Repaint();
                 Toast.MakeText(this, "Chart data point index " + seriesSelection.PointIndex + " selected "
                                + "point value=" + seriesSelection.Value, ToastLength.Short).Show();
             }
         };
         layout.AddView(mChartView, new Android.Views.ViewGroup.LayoutParams(ViewGroup.LayoutParams.FillParent,
                                                                             ViewGroup.LayoutParams.FillParent));
     }
     else
     {
         mChartView.Repaint();
     }
 }
        protected override void OnResume()
        {
            base.OnResume();
            if (mChartView == null)
            {
                LinearLayout layout = FindViewById <LinearLayout>(Resource.Id.chart);
                // mChartView = ChartFactory.getLineChartView(this, mDataset, mRenderer);
                // mChartView = ChartFactory.getBarChartView(this, mDataset, mRenderer,
                // Type.DEFAULT);
                mChartView = ChartFactory.GetScatterChartView(this, mDataset, mRenderer);

                // enable the chart click events
                mRenderer.ClickEnabled     = true;
                mRenderer.SelectableBuffer = 100;
                mChartView.SetOnClickListener(new OnClickListenerAnonymousInnerClassHelper3(this));
                // an example of handling the zoom events on the chart
                mChartView.AddZoomListener(new ZoomListenerAnonymousInnerClassHelper(this), true, true);
                // an example of handling the pan events on the chart
                //mChartView.AddPanListener(new PanListenerAnonymousInnerClassHelper(this));
                layout.AddView
                (
                    mChartView,
                    new Android.Widget.LinearLayout.LayoutParams
                    (
                        Android.Widget.LinearLayout.LayoutParams.FillParent,
                        Android.Widget.LinearLayout.LayoutParams.FillParent
                    )
                );
                bool enabled = mDataset.SeriesCount > 0;
                SeriesWidgetsEnabled = enabled;
            }
            else
            {
                mChartView.Repaint();
            }
        }
Exemplo n.º 5
0
        protected override void OnCreate(Android.OS.Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);
            SetContentView(Resource.Layout.xy_chart);

            mX   = FindViewById <EditText>(Resource.Id.xValue);
            mY   = FindViewById <EditText>(Resource.Id.yValue);
            mAdd = FindViewById <Button>(Resource.Id.add);

            mRenderer.ApplyBackgroundColor = true;
            mRenderer.BackgroundColor      = Color.Argb(100, 50, 50, 50);
            mRenderer.AxisTitleTextSize    = 16;
            mRenderer.ChartTitleTextSize   = 20;
            mRenderer.LabelsTextSize       = 15;
            mRenderer.LegendTextSize       = 15;
            mRenderer.SetMargins(new int[] { 20, 30, 15, 0 });
            mRenderer.ZoomButtonsVisible = true;
            mRenderer.PointSize          = 5;

            mNewSeries        = FindViewById <Button>(Resource.Id.new_series);
            mNewSeries.Click += (e, s) =>
            {
                String   seriesTitle = "Series " + mDataset.SeriesCount + 1;
                XYSeries series      = new XYSeries(seriesTitle);
                mDataset.AddSeries(series);
                mCurrentSeries = series;
                XYSeriesRenderer renderer = new XYSeriesRenderer();
                mRenderer.AddSeriesRenderer(renderer);
                renderer.PointStyle                 = PointStyle.Circle;
                renderer.FillPoints                 = true;
                renderer.DisplayChartValues         = true;
                renderer.DisplayChartValuesDistance = 10;
                mCurrentRenderer = renderer;
                SetSeriesWidgetsEnabled(true);
                mChartView.Repaint();
            };

            mAdd.Click += (e, s) =>
            {
                double x = 0;
                double y = 0;
                try
                {
                    x = Double.Parse(mX.Text);
                }
                catch (Exception)
                {
                    mX.RequestFocus();
                    return;
                }
                try
                {
                    y = double.Parse(mY.Text);
                }
                catch (Exception)
                {
                    mY.RequestFocus();
                    return;
                }
                mCurrentSeries.Add(x, y);
                mX.Text = "";
                mY.Text = "";
                mX.RequestFocus();
                mChartView.Repaint();
            };
        }